Mankota Threshold Days by Year (CA004034910)

16 fixed thresholds counted per year at Mankota (CA004034910): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mankota Thresholds

Mankota: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 1965 with 228.
Mankota: nights with a minimum temperature at or below -10 C (14 F) in 21 years, most in 1970 with 152.
Mankota: nights with a minimum temperature at or below -20 C (-4 F) in 21 years, most in 1978 with 74.
Mankota: nights with a minimum temperature at or below -30 C (-22 F) in 21 years, most in 1972 with 28.
16 fixed thresholds have at least one qualifying day at Mankota.

Days at or above 30 C (86 F)

20 years with a qualifying day

Days per year at Mankota with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 43 in 1967.

Days at or above 30 C (86 F) per year at Mankota
Year	Days	Decade average
1963	20	27.6
1964	24	27.6
1965	21	27.6
1966	33	27.6
1967	43	27.6
1968	21	27.6
1969	31	27.6
1970	34	22.2
1971	35	22.2
1972	16	22.2
1973	25	22.2
1974	13	22.2
1975	21	22.2
1976	15	22.2
1977	13	22.2
1978	19	22.2
1979	31	22.2
1980	23	30
1981	34	30
1983	33	30

For each year, a bar from the first to the last day at Mankota meeting 30 C (86 F).

First to last qualifying date each year at Mankota
Year	First date	Last date
1963	1963-07-08	1963-09-30
1964	1964-05-19	1964-08-18
1965	1965-07-14	1965-08-16
1966	1966-05-26	1966-09-19
1967	1967-06-28	1967-09-10
1968	1968-06-02	1968-09-11
1969	1969-05-26	1969-09-12
1970	1970-06-03	1970-09-04
1971	1971-05-27	1971-09-06
1972	1972-05-17	1972-08-29
1973	1973-06-13	1973-08-30
1974	1974-06-19	1974-09-17
1975	1975-06-24	1975-08-06
1976	1976-05-29	1976-09-16
1977	1977-05-09	1977-09-06
1978	1978-05-15	1978-09-09
1979	1979-06-11	1979-09-16
1980	1980-04-19	1980-09-07
1981	1981-06-26	1981-09-19
1983	1983-06-23	1983-09-02

Every Fixed Threshold

Fixed thresholds at Mankota
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	20	43	1967	33
35 C (95 F): Days	17	10	1971	9
90 F (32.2 C): Days	20	23	1967	18
100 F (37.8 C): Days	3	3	1983	3
0 C (32 F): Ice days (max	20	130	1970	83
0 C (32 F): Frost days (min	21	228	1965	224
-10 C (14 F): Days with min	21	152	1970	88
-20 C (-4 F): Days with min	21	74	1978	36
-30 C (-22 F): Days with min	21	28	1972	10
-40 C (-40 F): Days with min	10	6	1969	1
20 C (68 F): Tropical nights (min	3	3	1966	1
10 mm (0.39 in): Days with 10 mm or more rain	20	16	1978	4
25 mm (0.98 in): Days with 25 mm or more rain	17	5	1963	1
50 mm (1.97 in): Days with 50 mm or more rain	3	2	1974	1
10 cm (3.9 in): Days with 10 cm or more snowfall	19	7	1967	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	2	1975	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Mankota threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Mankota Threshold Days by Year (CA004034910)

Key Facts for Mankota Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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